1. uring the migration stage of nervous system development: a. The cells migrate inward to the core of the brain, which is the last part to develop b. Each neuron is coded for a specific function during proliferation c. Development of all areas begins at the same time d. There is considerable flexibility

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

the answers are a and c

loss of sensation to pressure and touch

the dorsal column–medial lemniscus pathway (dcml) (also known as the posterior column-medial lemniscus pathway (pcml)) is a sensory pathway of the central nervous system that conveys sensations of fine touch, vibration, two-point discrimination, and proprioception (position) from the skin and joints.